<template>
  <div class="shopcart-list">
    <transition name="fade">
      <cube-popup
        position="bottom"
        type="shopcart-list"
        v-show="visible"
        :maskClosable="true"
        :zIndex="90"
        @mask-click="maskClick">
        <transition name="move"
          @after-leave="onLeave">
          <div v-show="visible">
            <div class="list-header">
              <h1 class="title">购物车</h1>
              <span class="empty" @click="empty">清空</span>
            </div>
            <cube-scroll class="list-content" ref="listContent">
              <ul>
                <li
                  class="food"
                  v-for="food in selectFoods"
                  :key="food.name">
                  <span class="name">{{food.name}}</span>
                  <div class="price">
                    <span>￥{{food.price * food.count}}</span>
                  </div>
                  <div class="cart-control-wrapper">
                    <CartControl
                      :food="food"
                      @add="onAdd"></CartControl>
                  </div>
                </li>
              </ul>
            </cube-scroll>
          </div>
        </transition>
      </cube-popup>
    </transition>
  </div>
</template>

<script>
import CartControl from 'components/cart-control/CartControl.vue'

import popupMixin from 'common/mixins/popup'

const EVENT_LEAVE = 'leave'
const EVENT_ADD = 'add'
const EVENT_SHOW = 'show'

export default {
  name: 'ShopcartList',
  mixins: [popupMixin],
  components: {
    CartControl
  },
  props: {
    selectFoods: {
      type: Array,
      default () {
        return []
      }
    }
  },
  created () {
    this.$on(EVENT_SHOW, () => {
      this.$nextTick(() => {
        this.$refs.listContent.refresh()
      })
    })
  },
  methods: {
    maskClick () {
      this.hide()
    },
    onLeave () {
      this.$emit(EVENT_LEAVE)
    },
    onAdd (target) {
      this.$emit(EVENT_ADD, target)
    },
    empty () {
      this.$createDialog({
        type: 'confirm',
        content: '确认清空购物车吗？',
        $events: {
          confirm: () => {
            this.selectFoods.forEach((food) => {
              food.count = 0
            })
            this.hide()
          }
        }
      }).show()
    }
  }
}
</script>

<style lang="stylus" scoped>
@import "~common/stylus/variable"

.cube-shopcart-list
  bottom: 48px
  &.fade-enter, &.fade-leave-active
    opacity: 0
  &.fade-enter-active, &.fade-leave-active
    transition: all .3s ease-in-out
  .move-enter, .move-leave-active
    transform: translate3d(0, 100%, 0)
  .move-enter-active, .move-leave-active
    transition: all .3s ease-in-out
  .list-header
    height: 40px
    line-height: 40px
    padding: 0 18px
    background: $color-background-ssss
    .title
      float: left
      font-size: $fontsize-medium
      color: $color-dark-grey
    .empty
      float: right
      font-size: $fontsize-small
      color: $color-blue

  .list-content
    padding: 0 18px
    max-height: 217px
    overflow: hidden
    background: $color-white
    .food
      position: relative
      padding: 12px 0
      box-sizing: border-box
      .name
        line-height: 24px
        font-size: $fontsize-medium
        color: $color-dark-grey
      .price
        position: absolute
        right: 90px
        bottom: 12px
        line-height: 24px
        font-weight: 700
        font-size: $fontsize-medium
        color: $color-red
      .cart-control-wrapper
        position: absolute
        right: 0
        bottom: 6px
</style>
